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Add HTTPClientResponse.upgradeConnection() #929

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Add HTTPClientResponse.upgradeConnection() #929

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21 changes: 21 additions & 0 deletions source/vibe/http/client.d
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ import vibe.inet.url;
import vibe.stream.counting;
import vibe.stream.ssl;
import vibe.stream.operations;
import vibe.stream.wrapper : ConnectionProxyStream;
import vibe.stream.zlib;
import vibe.utils.array;
import vibe.utils.memory;
Expand Down Expand Up @@ -883,6 +884,26 @@ final class HTTPClientResponse : HTTPResponse {
finalize(true);
}

/**
Upgrades the connection to and returns the resulting ConnectionStream.

The caller caller gets ownership of the ConnectionStream and is responsible
for closing it.
Params:
newProtocol = The protocol to which the connection is expected to upgrade. Should match the Upgrade header of the request.
*/
ConnectionStream upgradeConnection(in string newProtocol)
{
enforce(statusCode == HTTPStatus.switchingProtocols, "Server did not send a 101 - Switching Protocols response");
string *resNewProto = "Upgrade" in headers;
enforce(resNewProto, "Server did not send an Upgrade header");
enforce(*resNewProto == newProtocol, "Expected Upgrade: " ~ newProtocol ~", received Upgrade: " ~ *resNewProto);
auto stream = new ConnectionProxyStream(m_client.m_stream, m_client.m_conn);
m_client.m_responding = false;
m_client = null;
return stream;
}

private void finalize()
{
finalize(m_closeConn);
Expand Down